Search Results - "SPALDING, T. A"
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The role of M1 muscarinic receptor agonism of N-desmethylclozapine in the unique clinical effects of clozapine
Published in Psychopharmacologia (01-12-2004)“…Clozapine is a unique antipsychotic, with efficacy against positive symptoms in treatment-resistant schizophrenic patients, and the ability to improve…”
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2
5-hydroxytryptamine2A receptor inverse agonists as antipsychotics
Published in The Journal of pharmacology and experimental therapeutics (01-10-2001)“…We have used a cell-based functional assay to define the pharmacological profiles of a wide range of central nervous system active compounds as agonists,…”
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3
Pharmacology of muscarinic receptor subtypes constitutively activated by G proteins
Published in Molecular pharmacology (01-02-1997)“…We have examined the effects of raising G protein concentration on the pharmacology of a series of agonist and antagonist ligands at the m1, m3, and m5…”
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4
Pharmacology of a constitutively active muscarinic receptor generated by random mutagenesis
Published in The Journal of pharmacology and experimental therapeutics (01-12-1995)“…We have isolated a mutant m5 muscarinic receptor that mediates robust functional responses in the absence of agonists. This constitutively active receptor was…”
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5
Structure-function of muscarinic receptor coupling to G proteins. Random saturation mutagenesis identifies a critical determinant of receptor affinity for G proteins
Published in The Journal of biological chemistry (17-02-1995)“…To derive structure-function relationships for receptor-G protein coupling, libraries were created of human m5 muscarinic acetylcholine receptors (m5) randomly…”
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6
Acetylcholine mustard labels the binding site aspartate in muscarinic acetylcholine receptors
Published in The Journal of biological chemistry (11-02-1994)“…Acetylcholine mustard (AChM) is an analogue of acetylcholine (ACh) in which the onium headgroup is replaced by a chemically reactive aziridinium moiety. AChM…”
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7
Constitutive activation of chimeric m2/m5 muscarinic receptors and delineation of G-protein coupling selectivity domains
Published in Biochemical pharmacology (23-02-1996)“…To derive structure/function relationships for muscarinic receptor/G-protein coupling, the m2 and m5 muscarinic receptors and a series of m2 m5 chimeras were…”
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8
Interactions of Muscarinic Receptors with the Heterotrimeric G Proteins Gq and G12: Transduction of Proliferative Signals
Published in Journal of neurochemistry (01-02-1997)“…: The proliferative and transforming properties of m2 and m5 muscarinic acetylcholine receptors and a series of wild‐type, chimeric, and mutant G proteins were…”
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9
The Second Intracellular Loop of the m5 Muscarinic Receptor Is the Switch Which Enables G-protein Coupling
Published in The Journal of biological chemistry (18-09-1998)“…We have completed a systematic search of the intracellular loops of a muscarinic acetylcholine receptor for domains that govern G-protein coupling. A unique…”
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10
Allosteric modulation of G-protein coupled receptors
Published in European Journal of Pharmaceutical Sciences (01-03-2004)“…The superfamily of G-protein coupled receptors (GPCRs) has more than 1000 members and is the largest family of proteins in the body. GPCRs mediate signalling…”
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Book Review Journal Article -
11
Identification of a Ligand-dependent Switch within a Muscarinic Receptor
Published in The Journal of biological chemistry (21-08-1998)“…G-protein-coupled receptors spontaneously switch between active and inactive conformations. Agonists stabilize the active conformation, whereas antagonists…”
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12
Functional importance of the Ala(116)-Pro(136) region in the calcium-sensing receptor. Constitutive activity and inverse agonism in a family C G-protein-coupled receptor
Published in The Journal of biological chemistry (22-09-2000)“…The calcium-sensing receptor (CaR) belongs to family C of the G-protein-coupled receptor superfamily. To date 14 activating mutations in CaR showing increased…”
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13
Constitutively active muscarinic receptors
Published in Life sciences (1973) (27-04-2001)“…Mutations that increase constitutive activity and alter ligand binding have been used to investigate the structure and mechanism of activation of muscarinic…”
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Constitutive Activation of the m5 Muscarinic Receptor by a Series of Mutations at the Extracellular End of Transmembrane 6
Published in Biochemistry (Easton) (19-08-1997)“…The m5 muscarinic acetylcholine receptor was constitutively activated by a wide range of amino acid substitutions at a residue (serine 465) that is positioned…”
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15
Structure/Function Relationships of a G-Protein Coupling Pocket Formed by the Third Intracellular Loop of the m5 Muscarinic Receptor
Published in Biochemistry (Easton) (24-03-1998)“…Using random saturation mutagenesis, we have previously identified the amino acids K439, A440, and A441 in the C-terminus of the third intracellular loop (Ci3)…”
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16
Structure of a G-protein-coupling Domain of a Muscarinic Receptor Predicted by Random Saturation Mutagenesis (∗)
Published in The Journal of biological chemistry (09-02-1996)“…The third intracellular loop (i3) plays a critical role in the coupling of many receptors to G-proteins. In muscarinic receptor subtypes, the N- and C-terminal…”
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Amino acid side chains that define muscarinic receptor/G-protein coupling. Studies of the third intracellular loop
Published in The Journal of biological chemistry (09-02-1996)“…Amino acids in the third intracellular loops of receptors play pivotal roles in G-protein coupling. To define their structural requirements, we have subjected…”
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18
Use of random-saturation mutagenesis to study receptor-G protein coupling
Published in Methods in molecular biology (Clifton, N.J.) (1997)Get more information
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19
Blockade of muscarinic receptors by alkylating agonist analogues
Published in Biochemical Society transactions (01-06-1990)Get more information
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20
Constitutive activation of muscarinic receptors by the G‐protein Gq
Published in FEBS letters (24-04-1995)“…In the absence of ligands, G‐protein coupled receptors interconvert between active and inactive conformations. These conformations are stabilized by agonists…”
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